GB/T 4607-2006
ActiveRoad vehicles - 90 semi-trailer fifth wheel coupling pin - Basic and mounting/interchangeability dimensions
道路车辆 半挂车牵引座90号牵引销的基本尺寸和安装、互换性尺寸
Application Summary AI generated
This standard specifies the basic dimensions, mounting dimensions, and interchangeability requirements for the 90-size fifth wheel coupling pin used in road vehicle semi-trailers. It ensures that the coupling pin fits correctly with the fifth wheel on the tractor unit, enabling safe and standardized connection between the towing vehicle and the semi-trailer. The standard is applied in the design, manufacturing, and quality inspection of commercial truck and trailer coupling systems to guarantee mechanical compatibility and safety in road transport operations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.